Android(安卓)input上报*、#键值笔记
16lz
2021-01-26
1.在./kernel-imx/include/linux/input.h增加scan code值
#define KEY_USR1 0x2f0
#define KEY_USR2 0x2f1
2.将驱动上报键值改成KEY_USR1、KEY_USR2，如TP上按键键值
此处省略
3.在编辑键值映射文件，存在device/fsl/sabresd_6dq目录下，文件名与input输入驱动名字相同，可以getevent查看
key 752 POUND
key 753 STAR
root@sabresd_6dq:/ # getevent
add device 1: /dev/input/event5
name: "goodix-ts"
could not get driver version for /dev/input/mice, Not a typewriter
add device 2: /dev/input/event4
name: "wm8962-audio Headphone Jack"
add device 3: /dev/input/event3
name: "wm8962-audio DMIC"
add device 4: /dev/input/event1
name: "power-wakup"
add device 5: /dev/input/event0
name: "gpio-keys"
add device 6: /dev/input/event2
name: "WM8962 Beep Generator"
4.让编译Android自动拷贝到/system/usr/keylayout目录
PRODUCT_COPY_FILES += \
device/fsl/sabresd_6dq/gpio-keys.kl:/system/usr/keylayout/gpio-keys.kl
5.验证可行。
#define KEY_USR1 0x2f0
#define KEY_USR2 0x2f1
2.将驱动上报键值改成KEY_USR1、KEY_USR2，如TP上按键键值
此处省略
3.在编辑键值映射文件，存在device/fsl/sabresd_6dq目录下，文件名与input输入驱动名字相同，可以getevent查看
key 752 POUND
key 753 STAR
root@sabresd_6dq:/ # getevent
add device 1: /dev/input/event5
name: "goodix-ts"
could not get driver version for /dev/input/mice, Not a typewriter
add device 2: /dev/input/event4
name: "wm8962-audio Headphone Jack"
add device 3: /dev/input/event3
name: "wm8962-audio DMIC"
add device 4: /dev/input/event1
name: "power-wakup"
add device 5: /dev/input/event0
name: "gpio-keys"
add device 6: /dev/input/event2
name: "WM8962 Beep Generator"
4.让编译Android自动拷贝到/system/usr/keylayout目录
PRODUCT_COPY_FILES += \
device/fsl/sabresd_6dq/gpio-keys.kl:/system/usr/keylayout/gpio-keys.kl
5.验证可行。
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